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Liquidity and solvency ratios

A company can be wildly profitable on paper yet fail to pay its bills next month because cash and profit are not the same thing. A business can have impressive operating margins yet carry so much debt that one recession wipes out equity holders. Profitability matters, but only if the company survives to realize it. This is where liquidity and solvency ratios enter the picture. They measure the company's ability to meet short-term obligations (liquidity) and whether its capital structure can withstand stress and downturns (solvency).

Liquidity asks: If we needed cash in the next 90 days, could we raise it without fire-selling assets at steep discounts? The current ratio (current assets divided by current liabilities) offers a rough screen, though it varies wildly by industry. A retailer needs high liquidity because inventory is bulky, inventory turns are slow, and customers often buy on credit or with payment terms. A software company with annual contracts and customers who pay in advance can run with minimal liquidity and still be safe. The difference in industry norms matters enormously. Solvency asks a longer-term question: If revenue collapsed by 30 percent in a downturn, how much loss could the company absorb before running out of equity and facing insolvency? Debt-to-equity, interest coverage (operating profit divided by interest expense), and leverage ratios measure this capacity and resilience. A company with low debt relative to equity can survive downturns and bad years; a highly leveraged company can be wiped out by a single bad year.

The temptation is to treat these metrics as pass-fail tests: if current ratio exceeds 1.5, the company is safe; if debt-to-equity exceeds 2.0, it is risky. Reality is far messier and more nuanced. Context matters enormously. A utility with stable, predictable cash flows can carry more debt than a cyclical retailer whose revenue fluctuates wildly. A high-growth software company may run negative operating cash flow for years without danger if customers pay in advance; a mature manufacturing company with the same negative cash flow would be heading toward distress and potential bankruptcy. This chapter teaches you not to substitute ratio thresholds for genuine thinking, but to use these metrics as questions: Under what scenarios would this company break? How much runway does it have if business deteriorates? Are the trends improving or deteriorating?

Debt capacity and industry norms​

Different industries have vastly different debt capacity. Banks and utilities typically carry high debt levels because their cash flows are stable and predictable. Retailers and manufacturers typically carry lower debt because their cash flows are cyclical. Assessing whether a company's debt level is appropriate requires understanding the industry norms and the company's ability to service debt in downturns. This chapter teaches you how to assess sustainable leverage versus dangerous leverage.

Working capital as a hidden drain on cash​

A company can have positive earnings but negative operating cash flow if working capital is growing (inventory piling up, receivables lengthening). Understanding how working capital is trending—improving or deteriorating—is crucial to assessing actual cash generation. A company with excellent profitability ratios but deteriorating working capital efficiency may be heading toward liquidity problems. This chapter teaches you to spot these warning signs.

Articles in this chapter​